Zobrazeno 1 - 10 of 39 pro vyhledávání: '"Donald M. Britton"'
1
Isoetes × Novae-angliae (Isoetaceae), An additional hybrid quillwort from New England
Autor: Daniel F. Brunton, Donald M. Britton
Publikováno v: Rhodora. 108:228-241
Isoetes × novae-angliae D.F. Brunt. & D.M. Britton, hyb. nov., represents a sterile hybrid between the tetraploid aquatic pteridophytes I. riparia and I. tuckermanii. It is known only from North Easton, Massachusetts although it formerly likely occu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::22a667c0bebe196fc0ad6071bf0fdda7
https://doi.org/10.3119/0035-4902(2006)108[228:iniaah]2.0.co
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2
Isoetes melanopoda spp. silvatica (subsp. nov.), a New Quillwort (Isoetaceae) From Eastern North America
Autor: Daniel F. Brunton, Donald M. Britton
Publikováno v: Castanea. 71:15-30
Isoetes melanopoda, a diploid species of ephemeral prairie wetland swales primarily in central North America, has also been found in swamp forests over a wide area of eastern North America in recent years. Determination of certain morphological and e
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2b57b1090c05dd7f37ef1fc9e56a8727
https://doi.org/10.2179/05-5.1
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3
Phylogenetic Relationships and Evolution of Extant Horsetails,Equisetum, Based on Chloroplast DNA Sequence Data (rbcLandtrnL‐F)
Autor: David L. Des Marais, Kathleen M. Pryer, Alan R. Smith, Donald M. Britton
Publikováno v: International Journal of Plant Sciences. 164:737-751
Equisetum is a small and morphologically distinct genus with a rich fossil record. Two subgenera have been recognized based principally on stomatal position and stem branching: subg. Equisetum (eight species; superficial stomates; stems branched) and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::517bd44d4192060200fa72f52e98ea3c
https://doi.org/10.1086/376817
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4
Isoetes ×echtuckerii, hyb. nov., a new triploid quillwort from northeastern North America
Autor: Daniel F. Brunton, Donald M. Britton
Publikováno v: Canadian Journal of Botany. 77:1662-1668
A new interspecific Isoetes hybrid, I. echinospora Dur. × I. tuckermanii A. Br., is described from northeastern North America by means of cytology and the scanning electron microscopy of spores. Isoetes ×echtuckerii D.F. Brunton and D.M. Britton, h
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0002f8fa04b66212856e1924bc6883d6
https://doi.org/10.1139/b99-146
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6
Isoetes ×pseudotruncata, a new triploid hybrid from western Canada and Alaska
Autor: Donald M. Britton, Daniel F. Brunton
Publikováno v: Canadian Journal of Botany. 74:51-59
A new interspecific Isoetes hybrid, I. echinospora Dur. ×I. maritima Underw., is described from Vancouver Island, British Columbia and southern Alaska by means of cytology and the scanning electron microscopy of spores. Isoetes ×pseudotruncata D.M.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::89d38da6c8330c9da43b136a5dfb7444
https://doi.org/10.1139/b96-008
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7
Isoetes × marensis, a new interspecific hybrid from western Canada
Autor: Donald M. Britton, Daniel F. Brunton
Publikováno v: Canadian Journal of Botany. 73:1345-1353
A new interspecific hybrid in Isoetes, I. maritima Underw. × I. howellii Engelm., is delineated and described from the Shuswap Highlands region of British Columbia by means of cytology and scanning electron microscopy of spores. Isoetes × marensis
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ef685306d9d6f3e178171ca3a0c5ea30
https://doi.org/10.1139/b95-146
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8
Isoetes ×jeffreyi, hyb.nov., a new Isoetes (Isoetes macrospora × Isoetes riparia) from Quebec, Canada
Autor: Donald M. Britton, Daniel F. Brunton
Publikováno v: Canadian Journal of Botany. 70:447-452
A new interspecific hybrid in Isoetes, Isoetes macrospora Dur. × riparia Engelm., is delineated and described from Papineau County, Quebec, Canada by means of cytology and scanning electron microscopy of spores. Isoetes ×jeffreyi D. M. Britton and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::79e038cd26a74a862d77a50f9c055094
https://doi.org/10.1139/b92-059
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9
Isoetes prototypus, a new diploid species from eastern Canada
Autor: J. P. Goltz, Donald M. Britton
Publikováno v: Canadian Journal of Botany. 69:277-281
A new species of Isoetes, I. prototypus from eastern Canada, is described. The morphology of the megaspores shows some similarity to those of acadiensis and I. hieroglyphica, but the microspores have a spinulose network on their surface. The plants h
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dd8bf12c509561c24e3081a5ad1a0651
https://doi.org/10.1139/b91-037
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10
Rush Quillwort (Isoetes junciformis, sp. nov.), a New Pteridophyte from Southern Georgia
Autor: Donald M. Britton, Daniel F. Brunton
Publikováno v: American Fern Journal. 89:187
A previously undescribed pteridophyte, Isoetes junciformis, is reported from Tift County, Georgia. This new tetraploid appears to be a rare endemic of the upper Coastal Plain region. It is suspected to be an allopolyploid, possibly arising from the h
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c1712ff1637111b6e9bb157bf7ab5506
https://doi.org/10.2307/1547421
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